feat(inputs.statsd): Allow reporting sets and timings count as floats

[calind]

Summary

Currently, only counters and gauges can be reported as floats. This PR adds support for sets and histogram count fields. This is useful in InfluxDB, where mixed data like floats and ints cannot be grouped.

Checklist

• No AI generated code was used in this PR

Related issues

resolves #15852

[srebhan]

Thanks for your contribution @calind! Just two small comments from my side...

[srebhan]

Thanks for the quick update and your work @calind!

[telegraf-tiger]

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DEB	RPM	TAR GZ	ZIP
amd64.deb	aarch64.rpm	darwin_amd64.tar.gz	windows_amd64.zip
arm64.deb	armel.rpm	darwin_arm64.tar.gz	windows_arm64.zip
armel.deb	armv6hl.rpm	freebsd_amd64.tar.gz	windows_i386.zip
armhf.deb	i386.rpm	freebsd_armv7.tar.gz
i386.deb	ppc64le.rpm	freebsd_i386.tar.gz
mips.deb	riscv64.rpm	linux_amd64.tar.gz
mipsel.deb	s390x.rpm	linux_arm64.tar.gz
ppc64el.deb	x86_64.rpm	linux_armel.tar.gz
riscv64.deb		linux_armhf.tar.gz
s390x.deb		linux_i386.tar.gz
		linux_mips.tar.gz
		linux_mipsel.tar.gz
		linux_ppc64le.tar.gz
		linux_riscv64.tar.gz
		linux_s390x.tar.gz